Cisco ONS 15454 Procedure Manual page 11

Chapter 1 Install the Shelf and Backplane Cable
When the shelf assembly is secured to the rack, install the remaining mounting screws.
Step 7
Note
Remove the temporary set screws.
Step 8
Return to your originating procedure (NTP).
Step 9
DLP-A7 Mount Multiple Shelf Assemblies in a Rack
Purpose
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
The ONS 15454 must have one inch (25.4 mm) of airspace below the installed shelf assembly to allow
Note
air flow to the fan intake. If a second ONS 15454 is installed underneath a shelf assembly, the air ramp
on top of the bottom shelf assembly provides the desired space. However, if the ONS 15454 is installed
above third-party equipment, you must provide a minimum spacing of one inch (25.4 mm) between the
third-party shelf assembly and the bottom of the ONS 15454. The third-party equipment must not vent
heat upward into the ONS 15454.
Verify that the proper fuse and alarm panel has been installed in the top mounting space. If a fuse and
Step 1
alarm panel is not present, you must install one according to manufacturer's instructions.
•
•
Mount the first ONS 15454 directly below the fuse and alarm panel using the
Step 2
Assembly in a Rack (One Person)" task on page 1-9
Rack (Two People)" task on page
Repeat the task with the second and third (fourth if applicable) ONS 15454s.
Step 3
Step 4 Return to your originating procedure (NTP).
March 2003
Use at least one set of the horizontal screw slots on the ONS 15454 to prevent slippage.
This task allows multiple shelves to be assembled in a rack.
#2 Phillips screwdriver
Medium slot-head screwdriver
Small slot-head screwdriver
DLP-A3 Reverse the Mounting Bracket to Fit a 19-inch (482.6 mm) Rack,
page
DLP-A4 Install the External Brackets and Air Filter, page
As needed
Onsite
None
If installing the 15454-SA-ANSI shelf assembly, a 100-A fuse panel (30-A fuse per shelf minimum)
is required.
If installing the 15454-SA-NEBS3 shelf assembly, a standard 80-A fuse panel (20-A fuse per shelf
minimum) is required.
1-6, if applicable
or the
1-10.
NTP-A2 Install the Shelf Assembly
"DLP-A5 Mount the Shelf
"DLP-A6 Mount the Shelf Assembly in a
Cisco ONS 15454 Procedure Guide, R4.0
1-8, if applicable
1-11